:root {
    /* Brand Color System matching Rombex Logo (#3b82f6 / #2563eb / #1e293b) */
    --brand-blue: #2563eb;
    --brand-blue-hover: #1d4ed8;
    --brand-blue-light: #eff6ff;
    --brand-blue-border: #bfdbfe;
    --brand-dark: #1e293b;
    --brand-darker: #0f172a;
    --brand-gray: #334155;
    
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-sidebar: #ffffff;
    --border-light: #e2e8f0;
    --border-subtle: #cbd5e1;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --code-bg: #0f172a;
    --code-header-bg: #1e293b;
    --code-text: #f1f5f9;

    --badge-get-bg: #ecfdf5;
    --badge-get-text: #059669;
    --badge-post-bg: #eff6ff;
    --badge-post-text: #2563eb;
    --badge-patch-bg: #fffbeb;
    --badge-patch-text: #d97706;
    --badge-delete-bg: #fef2f2;
    --badge-delete-text: #dc2626;

    --sidebar-width: 290px;
    --code-panel-width: 440px;
    --header-height: 68px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-page);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==========================================================================
   Top Website Navigation Bar
   ========================================================================== */
.navbar {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    z-index: 1000;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 260px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: opacity 0.2s;
}

.brand-link:hover {
    opacity: 0.9;
}

.brand-logo {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.brand-name {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--brand-darker);
}

.portal-badge {
    background: var(--brand-blue-light);
    color: var(--brand-blue);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 9999px;
    border: 1px solid var(--brand-blue-border);
}

.navbar-search {
    position: relative;
    width: 380px;
    max-width: 100%;
}

.navbar-search .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.navbar-search input {
    width: 100%;
    padding: 9px 14px 9px 40px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--bg-page);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s ease;
}

.navbar-search input:focus {
    background: var(--bg-surface);
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--brand-blue);
    background: var(--brand-blue-light);
}

.btn-outline-postman {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-dark);
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-outline-postman:hover {
    border-color: #f97316;
    color: #ea580c;
    background: #fff7ed;
}

.btn-merchant {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--brand-blue);
    color: #ffffff;
    padding: 9px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px 0 rgba(37, 99, 235, 0.2);
}

.btn-merchant:hover {
    background-color: var(--brand-blue-hover);
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.app-container {
    display: flex;
    min-height: calc(100vh - var(--header-height));
    position: relative;
}

/* Sidebar Navigation */
.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    border-right: 1px solid var(--border-light);
    background-color: var(--bg-sidebar);
    height: calc(100vh - var(--header-height));
    position: sticky;
    top: var(--header-height);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-meta {
    padding: 18px 24px 12px 24px;
    border-bottom: 1px solid var(--border-light);
    background: #fdfdfd;
}

.meta-label {
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.meta-val {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--brand-blue);
    margin-top: 2px;
}

.sidebar-nav {
    padding: 16px 14px;
    flex: 1;
}

.nav-group {
    margin-bottom: 22px;
}

.nav-group-title {
    font-size: 0.725rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 6px 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.15s ease;
    margin: 2px 0;
}

.nav-item:hover {
    color: var(--brand-blue);
    background-color: var(--brand-blue-light);
}

.nav-item.active {
    color: var(--brand-blue);
    background-color: var(--brand-blue-light);
    font-weight: 700;
}

.nav-method-badge {
    font-size: 0.65rem;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    min-width: 42px;
    text-align: center;
}

.nav-method-get { background: var(--badge-get-bg); color: var(--badge-get-text); }
.nav-method-post { background: var(--badge-post-bg); color: var(--badge-post-text); }
.nav-method-patch { background: var(--badge-patch-bg); color: var(--badge-patch-text); }

/* Main Content Area */
.main-content {
    flex: 1;
    min-width: 0;
    padding: 44px 56px 80px 56px;
    max-width: 900px;
}

.docs-section {
    margin-bottom: 64px;
    scroll-margin-top: 88px;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--brand-darker);
    margin-bottom: 12px;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 28px;
}

/* Endpoint Card */
.endpoint-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 26px;
    margin-bottom: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    scroll-margin-top: 88px;
    transition: border-color 0.2s ease;
}

.endpoint-card:hover {
    border-color: var(--brand-blue-border);
}

.endpoint-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 14px;
}

.endpoint-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-darker);
}

.endpoint-pill-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-page);
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-light);
    margin-bottom: 16px;
}

.http-method {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.http-get { background: var(--badge-get-bg); color: var(--badge-get-text); }
.http-post { background: var(--badge-post-bg); color: var(--badge-post-text); }
.http-patch { background: var(--badge-patch-bg); color: var(--badge-patch-text); }

.endpoint-path {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.endpoint-desc {
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Parameters & Payload Table */
.params-header {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin: 24px 0 12px 0;
}

.params-table-wrapper {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: #ffffff;
    margin-bottom: 24px;
}

.params-table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin: 0;
}

.params-table th {
    text-align: left;
    padding: 10px 14px;
    background: var(--bg-page);
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.775rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-light);
}

.params-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.params-table tr:last-child td {
    border-bottom: none;
}

.param-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--brand-blue);
    word-break: break-all;
}

.param-type-badge {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-page);
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid var(--border-light);
    text-transform: lowercase;
}

.param-val-cell {
    word-break: break-word;
    white-space: normal;
}

.sample-val-badge {
    display: inline-block;
    max-width: 100%;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: #1e293b;
    background: #f1f5f9;
    padding: 4px 8px;
    border-radius: 5px;
    border: 1px solid #e2e8f0;
    word-break: break-all;
    white-space: pre-wrap;
    line-height: 1.45;
}

/* ==========================================================================
   Code Snippet Panel (Right Side)
   ========================================================================== */
.code-panel {
    width: var(--code-panel-width);
    flex-shrink: 0;
    background-color: var(--code-bg);
    border-left: 1px solid var(--brand-dark);
    height: calc(100vh - var(--header-height));
    position: sticky;
    top: var(--header-height);
    display: flex;
    flex-direction: column;
}

.code-panel-header {
    background: var(--code-header-bg);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #2d3748;
}

.code-panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #e2e8f0;
    font-size: 0.8125rem;
    font-weight: 600;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #10b981;
}

.code-panel-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-select {
    background: #0f172a;
    color: #e2e8f0;
    border: 1px solid #334155;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 0.775rem;
    font-family: inherit;
    outline: none;
    cursor: pointer;
}

.btn-copy {
    background: #334155;
    color: #f1f5f9;
    border: none;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.775rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}

.btn-copy:hover {
    background: var(--brand-blue);
}

.code-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.code-container pre {
    margin: 0;
}

.code-container code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    color: var(--code-text);
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.code-panel-footer {
    background: var(--code-header-bg);
    padding: 14px 20px;
    border-top: 1px solid #2d3748;
}

.server-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.server-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.775rem;
    color: #60a5fa;
    background: #0f172a;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid #1e293b;
    word-break: break-all;
}

/* Mobile Toggle & Sidebar Drawer */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--brand-dark);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease;
}

.mobile-toggle:hover {
    background: var(--bg-page);
}

.sidebar-drawer-header {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    background: #ffffff;
}

.drawer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.drawer-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drawer-close:hover {
    color: var(--brand-dark);
    background: var(--bg-page);
}

.sidebar-mobile-links {
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 16px 20px;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-light);
}

.mobile-drawer-btn {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
}

.mobile-drawer-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.825rem;
    font-weight: 600;
    padding: 8px 6px;
}

.mobile-drawer-link:hover {
    color: var(--brand-blue);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(3px);
    z-index: 1050;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
/* Large Desktop to Medium Desktop: adjust search and gap */
@media (max-width: 1300px) {
    .navbar-search {
        width: 260px;
    }
    .navbar-right {
        gap: 10px;
    }
}

/* Large Tablets / Small Laptops */
@media (max-width: 1200px) {
    .code-panel {
        display: none;
    }
    .main-content {
        max-width: 100%;
        padding: 40px 36px;
    }
    .navbar-search {
        width: 220px;
    }
    .btn-outline-postman span {
        display: none;
    }
    .btn-outline-postman {
        padding: 8px 12px;
    }
}

/* Tablets (Portrait / Narrow View) */
@media (max-width: 992px) {
    .mobile-toggle {
        display: inline-flex;
    }

    .navbar {
        padding: 0 16px;
    }

    .portal-badge {
        display: none;
    }

    .navbar-search {
        width: 200px;
    }

    /* Hide redundant links from top bar into drawer */
    .navbar-right .nav-link,
    .navbar-right .btn-outline-postman {
        display: none;
    }

    .navbar-right {
        gap: 8px;
    }

    .btn-merchant {
        padding: 8px 14px;
        font-size: 0.825rem;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -320px;
        width: 300px;
        height: 100vh;
        z-index: 1100;
        background: #ffffff;
        box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        transition: left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-drawer-header {
        display: flex;
    }

    .sidebar-mobile-links {
        display: flex;
    }

    .sidebar-meta {
        padding-top: 16px;
    }

    .main-content {
        padding: 32px 20px;
    }
}

/* Small Tablets and Large Phones */
@media (max-width: 768px) {
    .navbar-search {
        display: none;
    }

    .navbar-left {
        min-width: auto;
    }
}

/* Mobile Devices */
@media (max-width: 640px) {
    .navbar {
        padding: 0 12px;
        height: 58px;
    }

    :root {
        --header-height: 58px;
    }

    .brand-name {
        font-size: 1.05rem;
    }

    .brand-logo {
        height: 28px;
    }

    .navbar-right {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .btn-merchant {
        padding: 7px 12px;
        font-size: 0.775rem;
        white-space: nowrap;
        gap: 4px;
    }

    .btn-merchant svg {
        width: 12px;
        height: 12px;
    }

    .main-content {
        padding: 20px 12px;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .endpoint-card {
        padding: 16px 12px;
        margin-bottom: 24px;
        border-radius: 10px;
    }

    .endpoint-name {
        font-size: 1.05rem;
    }

    .endpoint-pill-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        padding: 8px 10px;
    }

    .endpoint-path {
        font-size: 0.75rem;
        word-break: break-all;
    }

    .params-table-wrapper {
        border-radius: 6px;
    }

    .params-table th,
    .params-table td {
        padding: 8px 10px;
        font-size: 0.75rem;
    }
}

/* Extra Small Phones (<380px) */
@media (max-width: 380px) {
    .brand-name {
        display: none;
    }
    
    .btn-merchant {
        padding: 6px 10px;
        font-size: 0.75rem;
    }
}